{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do the test validation nodes in Solana verify the backward compatibility of new programs in the blockchain?","a":"First, verify whether the new program can run normally on the current Solana network version. This includes ensuring that the new program follows the specifications  and protocols of the Solana network, such as validating transaction formats, called API functions, etc."}]}],"pr":"4baa7bee2b827166bf600a6b54099e5040b1c71a7cd2afe255b6d41ee51515f2"}